By Laura Armstrong Kate Middleton has an “ability to connect with everyone”, Giovanna Fletcher has revealed – and she’s comfortable chatting about topics as intimate as nipple cream. The I’m A Celebrity star has pledged her support for the Princess of Wales following the news that she is undergoing cancer treatment. The 39-year-old author, actress and presenter wrote on Instagram: “The Princess of Wales has always led with dignity, grace and compassion. Working alongside her always gives the greatest lessons in how to care. How to listen. How to ‘human’.” And in an exclusive interview on our I…